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可能重复:
What is an undefined reference/unresolved external symbol error and how do I fix it?不能编译这段代码
我有编译此代码http://pastebin.com/a7AMbYPv烦恼。
这里是我得到的错误:
C:\Dev-Cpp\include\main.cpp In function 'int write_jpeg_file(char*)':
109 25 C:\Dev-Cpp\include\main.cpp [Error] invalid conversion from 'int' to 'J_COLOR_SPACE' [-fpermissive]
C:\Dev-Cpp\include\main.cpp In function 'int main()':
130 21 C:\Dev-Cpp\include\main.cpp [Warning] deprecated conversion from string constant to 'char*' [-Wwrite-strings]
130 48 C:\Dev-Cpp\include\main.cpp [Warning] deprecated conversion from string constant to 'char*' [-Wwrite-strings]
C:\Users\NIVER\Desktop\Makefile.win [Error] [../../../Dev-Cpp/include/main.o] Error 1 (if this is the only error: please check your library includes)
任何帮助,将不胜感激。
你有链接到适当的库? –
你到底是如何编译它的?它看起来像你不链接到jpeglib库 – Alex1985
我只是将它们复制到编译器的include文件夹。是否还有其他我必须做的? – NiVeR